Soran    

Officer shards can be obtained from completing the Time Is the Fire... Part 10 mission. It can also be gained through the Faction Store and occasionally through the Event Store and Event Rewards. Extra shards can be acquired through the Offers tab.

Romi   

Officer shards can be obtained from completing the Time Is the Fire... Part 8 mission. It can also be gained through the Faction Store and occasionally through the Event Store and Event Rewards. Extra shards can be acquired through the Offers tab.

Miss Q    

Officer shards can be obtained from completing the Time Is the Fire... Part 3 mission. It can also be gained through the Faction Store and occasionally through the Event Store and Event Rewards. Extra shards can be acquired through the Offers tab.